20512690680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{766543}}^1$

素因数の和:766780

約数の個数: 64

約数和(自身を含む): 61814108160

約数和(自身を除く): 41301417480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 223, 446, 669, 892, 1115, 1338, 1784, 2230, 2676, 3345, 4460, 5352, 6690, 8920, 13380, 26760, 766543, 1533086, 2299629, 3066172, 3832715, 4599258, 6132344, 7665430, 9198516, 11498145, 15330860, 18397032, 22996290, 30661720, 45992580, 91985160, 170939089, 341878178, 512817267, 683756356, 854695445, 1025634534, 1367512712, 1709390890, 2051269068, 2564086335, 3418781780, 4102538136, 5128172670, 6837563560, 10256345340, 20512690680]

約数ペア:

[(1, 20512690680), (2, 10256345340), (3, 6837563560), (4, 5128172670), (5, 4102538136), (6, 3418781780), (8, 2564086335), (10, 2051269068), (12, 1709390890), (15, 1367512712), (20, 1025634534), (24, 854695445), (30, 683756356), (40, 512817267), (60, 341878178), (120, 170939089), (223, 91985160), (446, 45992580), (669, 30661720), (892, 22996290), (1115, 18397032), (1338, 15330860), (1784, 11498145), (2230, 9198516), (2676, 7665430), (3345, 6132344), (4460, 4599258), (5352, 3832715), (6690, 3066172), (8920, 2299629), (13380, 1533086), (26760, 766543)]